<div style="width:100%; height:52px;"></div>

<div id="user_head">
	<div class="top">
		<div class="box">
			<?php if (! empty ( $this->_var['back_url'] )): ?>
			<canvas id="backtrack"  width="30" height="48" onclick="location.href='<?php echo $this->_var['back_url']; ?>' ; "></canvas>
			<?php else: ?>
			<canvas id="backtrack"  width="30" height="48" onclick="history.back(-1);"></canvas>
			<?php endif; ?>
		<span><?php echo $this->_var['top_title']; ?></span>
			<div id="nav"  width="30" height="48" onclick="$('.home').toggle();"></div>
		</div>
	</div>
	<div class="home">
		<a href="index.php"><li>首页</li></a>
		<a href="index.php?act=cate"><li>画材分类</li></a>
		<a href="flow.php"><li>购物车</li></a>
		<a href="user.php"><li>个人中心</li></a>
	</div>
</div>






<script type="text/javascript">
var c=document.getElementById("backtrack");
var cxt=c.getContext("2d");
cxt.strokeStyle="#a21c23";//线条颜色
cxt.lineWidth  = 1;
cxt.moveTo(27,24);
cxt.lineTo(0,24);
cxt.lineTo(8,17);
cxt.moveTo(0,24);
cxt.lineTo(8,32);
cxt.stroke();


</script>